.tickercontainer { /* the outer div with the black border */
	width: 500px;
	height: 27px;
	margin: 0;
	padding: 0;
	overflow: hidden;
}
.tickercontainer .mask { /* that serves as a mask. so you get a sort of padding both left and right */
	position: relative;
	top: 8px;
	height: 18px;
	/*width: 718px;*/
	overflow: hidden;
}
ul.newsticker { /* that's your list */
	position: relative;
	/*left: 750px;*/
	font: bold 10px Verdana;
	list-style-type: none;
	margin: 0;
	padding: 0;
}
ul.newsticker li {
	float: left; /* important: display inline gives incorrect results when you check for elem's width */
	margin: 0;
	padding-right: 15px;
	/*background: #fff;*/
}